#4227AB#4227AB

#4227AB is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.3% C 0.194 H 282.7°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#4227AB
RGB	rgb(66, 39, 171)
HSL	hsl(252, 63%, 41%)
HSV	hsv(252, 77%, 67%)
CMYK	cmyk(61.4%, 77.2%, 0%, 32.9%)
CIE-LAB	lab(28.24, 47.83, -65.81)
CIE-LCH	lch(28.24, 81.36, 306.01°)
OKLab	oklab(40.27% 0.0426 -0.1898)
OKLCH	oklch(40.27% 0.194 282.7)
XYZ	xyz(10.3207, 5.5488, 39.0474)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4227AB #90AB27

analogous

#274EAB #4227AB #8427AB

triadic

#4227AB #AB4227 #27AB42

tetradic

#4227AB #AB274E #90AB27 #27AB84

square

#4227AB #AB274E #90AB27 #27AB84

split-complementary

#4227AB #AB8427 #4EAB27

monochromatic

#1C1047 #2F1C79 #4227AB #5B3DD3 #856EDE

Accessibility & contrast

On white

9.95

#4227AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#4227AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4227AB

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4227AB	#FFFFFF	#000000	##FFFFFF
##4227AB	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AF

Deuteranopia (green-blind)

#003EA9

Tritanopia (blue-blind)

#004D68

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #4227ab;
/* rgb */ color: rgb(66, 39, 171);
/* oklch */ color: oklch(40.3% 0.194 282.7);

Tailwind

colors: {
  custom: {
    50: '#8465c5',
    500: '#4227ab',
    950: '#000000',
  },
}

SCSS

$custom: #4227ab;
$custom-light: #8465c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4227ab",
  "rgb": {
    "r": 66,
    "g": 39,
    "b": 171
  },
  "hsl": {
    "h": 252.273,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.40272,
    "c": 0.19449,
    "h": 282.7
  },
  "luminance": 0.0555
}

Semantic roles & 50–950 ramp

primary

#4227AB

secondary

#B2C569

accent

#E642C4

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4227AB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →